Bug 286602 – [ macOS wk1 ] media/media-source/media-detachablemse-append.html is flakily failing.

• Component: Media
• Status: NEW

[Yasmin Karimi]

media/media-source/media-detachablemse-append.html 

This test is flakily failing on macOS wk1. 

HISTORY:

https://results.webkit.org/?suite=layout-tests&test=media%2Fmedia-source%2Fmedia-detachablemse-append.html

TEXT DIFF:

@@ -13,7 +13,6 @@
 EXPECTED (video.videoTracks.length >= 1 == 'true') OK
 EXPECTED (video.audioTracks.length >= 1 == 'true') OK
 RUN(source.endOfStream())
-EVENT(sourceended)
 RUN(readyState = video.readyState)
 EXPECTED (sourceBuffer.buffered.length == '1') OK
 RUN(video.srcObject = null)
@@ -23,8 +22,9 @@
 EXPECTED (video.videoTracks.length == '0') OK
 EXPECTED (video.audioTracks.length == '0') OK
 RUN(video.srcObject = source)
+EVENT(sourceended)
+EVENT(sourceended)
 EVENT(sourceopen)
-EVENT(sourceended)
 EXPECTED (source.readyState == 'ended') OK
 EXPECTED (video.duration > 0 == 'true') OK
 EVENT(loadedmetadata)

DIFF URL:

https://build.webkit.org/results/Apple-Sequoia-Release-WK1-Tests/289325@main%20(1576)/media/media-source/media-detachablemse-append-pretty-diff.html

REPRODUCIBILITY:

I was able to reproduce this failure on MacOS Sequoia 15.2 (24C101 / arm64) at ToT with the following command:

run-webkit-tests media/media-source/media-detachablemse-append.html --iterations 300 -1

[Radar WebKit Bug Importer]

<rdar://problem/143726328>

[EWS]

Test gardening commit 289473@main (2ede95ab5ddf): <https://commits.webkit.org/289473@main>

Reviewed commits have been landed. Closing PR #39632 and removing active labels.